List of public, and national holidays observed in Guam in 2021.
All banks, government offices and education institutions remains closed in Guam during these national holidays. Guam holiday calendar for year 2021.
|Friday||New Year's Day (Federal Holiday)||Public Holiday|
|Monday||Martin Luther King Jr. Day (3rd Monday in January)||Public Holiday|
|Monday||History and Chamorro Heritage Day||Public Holiday|
|Monday||Memorial Day (Last Monday in May)||Public Holiday|
|Monday||Independence Day (in lieu)||Public Holiday|
|Wednesday||Guam Liberation Day||Public Holiday|
|Monday||Labor Day (1st Monday in September)||Public Holiday|
|Tuesday||All Souls' Day||Public Holiday|
|Thursday||Veterans Day||Public Holiday|
|Thursday||Thanksgiving (4th Thursday in November)||Public Holiday|
|Wednesday||Santa Marian Kamalen Day||Public Holiday|
|Friday||Christmas Day (in lieu)||Public Holiday|
|Saturday||Christmas Day||Public Holiday|